Symmons S-46-2X-BODY Temptrol Brass Pressure-Balancing Tub and Shower Valve with Service Stops and Integral Diverter - Amazon.com
Symmons Temptrol Rapid Install Pressure-Balancing Shower Mixing Valve with VersaFlex Integral Diverter and EasyService Stops 261XBRBODY - The Home Depot
Temptrol - Symmons
7-900 - Pacific Plumbing Specialties
Symmons Temptrol 1/2-in ID Iron Pipe Size x 1/2-in OD Iron Pipe Size Brass Pressure Balancing Valve in the Tub & Shower Valves department at Lowes.com